Dell 14 3443 Wartungshandbuch

Inspiron 143000 SeriesService ManualComputer Model: Inspiron 14–3443Regulatory Model: P53GRegulatory Type: P53G001

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Reg

• Philips screwdriver• Plastic scribe11

After Working Inside Your ComputerCAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.1 Replace all screws

Removing the BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Replacing the BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Removing the Optical DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

4 Remove the screw that secures the optical-drive bracket to the optical-drive assembly and remove the optical-drive bracket.1 optical-drive bezel 2

Replacing the Optical DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the Base CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Replacing the Base CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

Removing the Memory Module(s)WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

2 Remove the memory module from the memory-module slot.1 securing clips (2) 2 memory-module slot3 memory module21

Replacing the Memory Module(s)WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

2 Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place.NOTE: If you do not hear the c

Removing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

3 Slide and remove the wireless card out of the wireless-card slot.1 antenna cables (2) 2 wireless card3 screw25

Replacing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the KeyboardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

3 Slide the keyboard up to release it from the tabs on the palm rest.1 plastic scribe 2 securing clips (5)3 keyboard 4 tabs (5)4 Turn the keyboard o

5 Lift the latch and disconnect the keyboard cable from the system board.1 keyboard 2 keyboard cable3 latch6 Lift the keyboard off the palm rest.29

ContentsBefore Working Inside Your Computer...9Before You Begin ...

Replacing the KeyboardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

The cables on the keyboard are not folded when you receive a replacement keyboard. Follow these instructions to fold the cables on the replacement key

1 keyboard cable 2 keyboard32

Removing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

3 Using the pull-tab, lift and slide the hard-drive assembly out of the tabs on the computer base.1 screw 2 hard-drive4 Remove the screws that secur

6 Peel off the Mylar sheet from the hard drive.1 hard-drive bracket 2 pull-tab3 screws (2) 4 mylar sheet35

Replacing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Palm RestWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

2 Remove the screws that secure the palm rest to the computer base.1 screws (3)3 Remove the tape covering the power-button cable.38

4 Lift the latches and, using the pull-tabs, disconnect the power-button cable and the touchpad cable from the system board.1 power-button cable 2 to

Removing the Memory Module(s)...20Prerequisites...

6 Remove the screws that secure the palm rest to the computer base.1 screws (8) 2 computer base7 Using a plastic scribe, release the tabs on the pal

9 Lift the palm rest from the bottom edge and away from the computer base.1 palm rest10 Follow the procedure from step 2 to step 5 in “Removing the

Replacing the Palm RestWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Power-Button BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

5 Lift the power-button board along with the cable off the palm rest.1 power-button board 2 tape3 screw 4 power-button cable44

Replacing the Power-Button BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the TouchpadWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

3 Slide and remove the touchpad out of its slot on the palm rest.1 touchpad 2 screws (2)47

Replacing the TouchpadWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

3 Replace the memory module(s).4 Replace the base cover.5 Replace the keyboard.6 Replace the battery.49

Removing the Palm Rest... 37Prerequisites...

Removing the I/O BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

3 Lift the I/O board away from the computer base.1 system board 2 I/O-board cable3 I/O board51

Replacing the I/O BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

3 Lift the speakers, along with the speaker cable, off the computer base.1 speakers (2) 2 speaker cable54

Replacing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Removing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

1 system board 2 battery socket3 coin-cell battery 4 plastic scribe57

Replacing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

Removing the Power-Adapter PortWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

Removing the Speakers...53Prerequisites...

3 Lift the power-adapter port, along with its cable, off the computer base.1 power-adapter port cable 2 power-adapter port60

Replacing the Power-Adapter PortWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the step

4 Lift the latch and, using the pull-tab, disconnect the I/O-board cable from the connector on the system board.5 Disconnect the power-adapter-port

7 Lift the system board off the computer base.1 system board 2 screws (2)64

Replacing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

6 Replace the keyboard.7 Replace the optical drive.8 Replace the battery.66

Removing the Heat-Sink AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

4 Lift the heat-sink assembly off the system board.1 fan cable 2 system board3 captive screws (5) 4 heat-sink assembly68

Replacing the Heat-Sink AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the Heat-Sink Assembly...67Prerequisites...

Removing the Display AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

3 Lift the display assembly off the computer base.1 display assembly 2 screws (4)3 antenna cable 4 computer base71

Replacing the Display AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

Removing the Display BezelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

2 Remove the display bezel off the display back-cover.1 display bezel 2 display back-cover74

Replacing the Display BezelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the Display HingesWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

2 Lift the display hinges off the display back-cover.1 display back-cover 2 display hinges (2)3 screws (8)77

Replacing the Display HingesWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the s

Removing the Display PanelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

Removing the Display Panel...79Prerequisites...

2 Gently lift the display panel and turn it over.1 display panel 2 screws (4)3 Peel the tape adhered over the display cable.80

4 Disconnect the display cable from the display-panel cable connector.1 display panel 2 display back-cover3 display cable5 Lift the display panel aw

Replacing the Display PanelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the CameraWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in B

2 Lift the camera off the display back-cover.1 camera 2 camera cable84

Replacing the CameraWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Flashing the BIOSYou may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS:1 Turn o

Getting Help and Contacting DellSelf-Help ResourcesYou can get information and help on Dell products and services using these online self-help resourc

NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product

Before Working Inside Your ComputerCAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contact